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Miniature Circuit Breakers

Shop our wide selection of UL 489 miniature circuit breakers and UL 1077 supplementary protectors in both AC and DC voltages. They are available in one-, two- and three-pole versions with an amperage range up to 63A and in B, C or D trip curve options to meet your applications needs. Difference between UL 489 vs. UL 1077

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Altech Corp 3D63UR Miniature Circuit Breaker
63A Miniature Circuit Breaker, 3 Poles, D-Curve (Rated to 480Y/277 VAC) | 3D63UR
Retail: $65.57
Price: $41.19

The Altech Corp 3D63UR is suitable for branch circuit device protection applications with Low inrush motors, resistive loads, wiring protection, receptacles, lighting, and control circuit applications.

  • Terminal Type: Box Clamp or Ring Tongue
  • Amperage: 63
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, UL, CE
MFG Part# 3D63UR
Lovato P1MB1PB63 Miniature Circuit Breaker
63A Miniature Circuit Breakers, 1 Pole, B-Curve (Rated to 230VAC/60VDC) | P1MB1PB63
Retail: $88.40
Price: $22.30

The Lovato P1MB1PB63 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 63
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PB63
Lovato P1MB1PC63 Miniature Circuit Breaker
63A Miniature Circuit Breakers, 1 Pole, C-Curve (Rated to 230VAC/60VDC) | P1MB1PC63
Retail: $88.40
Price: $22.30

The Lovato P1MB1PC63 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 63
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB1PC63
Lovato P1MBUL1PC63 Miniature Circuit Breaker
63A Miniature Circuit Breakers, 1 Pole, C-Curve (Rated to 400VAC/60VDC) | P1MBUL1PC63
Retail: $88.40
Price: $36.91

The Lovato P1MBUL1PC63 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 63
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUL1PC63
Lovato P1MB1PD63 Miniature Circuit Breaker
63A Miniature Circuit Breakers, 1 Pole, D-Curve (Rated to 230VAC/60VDC) | P1MB1PD63
Retail: $88.40
Price: $22.30

The Lovato P1MB1PD63 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 63
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PD63
Lovato P1MB2PB63 Miniature Circuit Breaker
63A Miniature Circuit Breakers, 2 Pole, B-Curve (Rated to 400VAC/80VDC) | P1MB2PB63
Retail: $156.20
Price: $44.60

The Lovato P1MB2PB63 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 2
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PB63
Lovato P1MB2PC63 Miniature Circuit Breaker
63A Miniature Circuit Breakers, 2 Pole, C-Curve (Rated to 400VAC/80VDC) | P1MB2PC63
Retail: $151.50
Price: $44.60

The Lovato P1MB2PC63 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 2
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PC63
Lovato P1MB2PD63 Miniature Circuit Breaker
63A Miniature Circuit Breakers, 2 Pole, D-Curve (Rated to 400VAC/80VDC) | P1MB2PD63
Retail: $151.50
Price: $44.60

The Lovato P1MB2PD63 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 2
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PD63
Lovato P1MBUL2PC63 Miniature Circuit Breaker
63A Miniature Circuit Breakers, 2 Poles, C-Curve (Rated to 230/400 VAC) | P1MBUL2PC63
Retail: $189.40
Price: $73.82

The Lovato P1MBUL2PC63 is designed to protect feeder circuits, the part of the system from the network supply point to the protection device for a branch circuit. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUL2PC63
Lovato P1MBUL2PD63 Miniature Circuit Breaker
63A Miniature Circuit Breakers, 2 Poles, D-Curve (Rated to 230/400 VAC) | P1MBUL2PD63
Retail: $189.40
Price: $73.82

The Lovato P1MBUL2PD63 is designed to protect feeder circuits, the part of the system from the network supply point to the protection device for a branch circuit. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUL2PD63
Lovato P1MB3PC63 Miniature Circuit Breaker
63A Miniature Circuit Breakers, 3 Pole, C-Curve (Rated to 400VAC) | P1MB3PC63
Retail: $202.00
Price: $66.90

The Lovato P1MB3PC63 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB3PC63
Lovato P1MBUL3PC63 Miniature Circuit Breaker
63A Miniature Circuit Breakers, 3 Pole, C-Curve (Rated to 400VAC) | P1MBUL3PC63
Retail: $290.40
Price: $110.74

The Lovato P1MBUL3PC63 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUL3PC63
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